This science fair project idea determines the most effective method of preserving food.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea examines whether boys and girls differ in reflexes.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

In this project, the affect of acid rain is simulated by the acid, vinegar.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.